Suggestions by @thecrimsonpaw

Christian Borle

as "Rise of The Snakes." in Ninjago

Skales (Ninjago)

as "Rise of The Snakes." in Ninjago

Colman Domingo

as "Rise of The Snakes." in Ninjago

Pythor P. Chumsworth

as "Rise of The Snakes." in Ninjago

Spoiler

as "Rise of The Snakes." in Ninjago

Finn Wolfhard

as "Jimmy's Archives." in Ninjago

Danny Phantom (Daniel Fenton)

as "Jimmy's Archives." in Ninjago

Julian Hilliard

as "Jimmy's Archives." in Ninjago

Timmy Turner

as "Jimmy's Archives." in Ninjago

Timothée Chalamet

as "Jimmy's Archives." in Ninjago

SpongeBob SquarePants (character)

as "Jimmy's Archives." in Ninjago

Spoiler

as "Jimmy's Archives." in Ninjago

Sophia Woodward

as Nya in Ninjago

Wolfgang Schaeffer

as Lloyd Garmadon in Ninjago

Matthew Rhys

as Wyplash in Ninjago

Don Cheadle

as Nuckal in Ninjago

Garry Chalk

as Kruncha in Ninjago

Mark Strong

as Samukai in Ninjago

Hugo Weaving

as Lord Garmadon in Ninjago

Jamie Lee Curtis

as Misako in Ninjago